Estimate, calculate, and verify flow rates for intermittent and continuous iv solutions on gravity and electronic devices. Weightbased drug calculations choosing which weight to use can be challenging. Quap, rph, mspharm, fashp director, clinical information and education resources cardinal health innovative delivery solutions houston, texas chrissy schabacker, pharmd. Check maintenance fluids infusion rate according to weight. Only the first attempt grade will apply to overall class grade. Calculation of intravenous drip rates in these types of calculations, for a given volume, time period, and drop factor gttsml, the required iv flow rate in drops per minute gttsmin is calculated. The answer to this problem is simple by showing students how to perform calculations using a simple process. Ada aa statement any student requiring special accommodations should inform the instructor and the.
Demonstrate an understanding of the organizational structure and role of the pharmacy department as well as the activities of pharmacy personnel in. In order to perform a wide range of nursing care activities you will need to use the basic mathematical principles that you learned at school. Medication calculations can cause frustration for ems providers. They are important quality control tools for all medications, including intravenous iv admixture fluid bags which are commonly prepared by pharmacists in healthcare facilities via extemporaneous compounding. Case presentation 46yearold man has history of left abovetheknee amputation for sarcoma home meds ms contin 60 mg bid msir 10 mg q2hr prn 10% of the 24hour dose. All of these skills require you to be competent and confident with basic multiplication and division. Knowledge of this pharmacokinetic parameter is of particular importance when converting a patient from tdf to another opioid. Nursing calculations part i is to provide information about. Iv infusion, intravenous iv infusion set calculations. Highrisk iv medications dosing limits guidelines of care. Intravenous infusion calculations drip rates is when the infusion volume is calculated into drops. The exam is administered by uvicell between october 15th and november 15th.
Teresa finlay has brought this philosophy together into one easytoread text. The mathematics for intravenous push, and the construction of titration tables are demonstrated. Basic calculations introduction you now know why it is important for nurses to have an appropriate standard of numeracy. Intravenous fluids hourly maintenance intravenous fluid requirements resuscitation bolus normal saline. Permission to reproduce granted for classroom use only. There is a solution to make medication calculations easier. Correspondenceteaching undergraduate students appropriate. This page is dedicated to iv administration sets that serve the mixture to the end user patient.
Drug calculations vary depending on whether you are dealing with liquid or solid medications, or if the dose is to be given over a period of time. Transdermal and parenteral fentanyl dosage calculations. Metric system calculations many of the calculations needed in nursing practice relate to the metric system. If they are not, the units of measure must be converted box 4 box 5. Extravascularroutesofdrugadministration 107 figure6. Heparin intravenous calculations additional practice problems use da to calculate the amount of heparin needed to prepare the iv solutions, the heparin flow rates mlhr, or hourly heparin dosages unitshr as indicated below. An iv infusion set is used to administer fluids and medications directly into the blood stream. Provides drug information and intravenous compatibility information to the icu team. Using formulas, converting time measurements, applying medical terms to math problems, rounding decimals objective. An iv of mlis ordered to infuse in 5 hrusing a set calibrated at 15 gttml. Infusion or flow rates are adjusted to the desired drops per minute by a clamp. Below are two simple ways to remember some of the key calculations grams milligrams micrograms for converting grams to milligrams to micrograms follow these simple rules 1. Advanced intravenous calculations basicmedical key. Identify from intravenous iv tubing packages the drop factor in drops per milliliter gttml 4.
Intravenous administration of medication provides rapid access to a patient. Preparing for the drug dosage calculation competency exam. The purpose of this tool kit is to provide evidencedbased recommendations and best practices on setting and managing highrisk iv medications limit settings for adult patients in intensive and acute care units. Calculate hourly drug dose and hourly flow rate for iv solutions. Potency assays of pharmaceutical products are designed to measure the amount of an active ingredient in a sample.
Ismp safe practice guidelines for adult iv push medications. Intravenous iv therapy is considered an essential component of current healthcare delivery, with over 90% of hospitalized patients receiving some form of infusion therapy. Calculate time and dose intervals for direct iv push bolus medications. The rate of infusion is dependant upon the gravity of the bag of iv fluidmedication. Dosage calculations packet lincoln memorial university. Some of the technologies we use are necessary for critical functions like security and site integrity, account authentication, security and privacy preferences, internal site usage and maintenance data, and to make the. Therefore, the patient will receive 125 ml of fluids per 1 hour. Critical care calculations study guide copyright amn healthcare, 2012 work out the answers in the 10 sample questions below. Whether the issues are geographical, professional or skillsbased, intravenous therapy holds no boundaries. If you have difficulty with drug calculations, please contact us. Advanced intravenous calculations flashcards quizlet. Calculations based on the size of the client as measured by weight or body surface area are included. Intravenous bolus initial concentration c d 0 vd plasma concentration single dose cce kte 0 ae plasma concentration multiple dose c ce e kt k e e 0 1 peak multiple dose c c e ke max 0 1 trough multiple dose c ce e k min ke 0 1 average concentration steady state cp d ss cl.
Example 1 a patient is ordered to receive ml of intravenous. Students will be able to use a formula to calculate iv flow rates and perform time and rate calculations for iv medical orders. Preparing for the drug dosage calculation competency exam bsn completion applicants the drug dosage calculation competency exam is required for all bsn completion applicants. Intravenous infusion may be used to determine total body clearance if the infusion rate and steadystate level are known, as with equation 6. The following table contains the test blueprint for the exam. Critical care intravenous drug administration guide. Calculating iv fluid infusion rates for fluids with gravity. The exploration of solutions prepares the student to calculate both intravenous and enteral dosages rates and flow rates.
Dka intravenous fluids calculations diabetes scotland. Bridge to professional nursing, even if they have taken this, or a similar course, previously. Using classical edta titrations to measure calcium and. All units of measure used in the formula must be the same when calculations are performed. For iv drip rates gtt min and flow rates ml hr round off to the nearest whole number when applicable state the unit of measurement in each answer converting to ml hr. Math and pharmacology can make it difficult to succeed on course exams, in the clinical setting, and in the field.
Cannula size color length flow ratemlmin uses nursing consideration 14g orange 45 250300 used for adolescent and. Iv infusion set calculations intravenous it is imperative to understand how to calculate iv infusioniv mixture, dosage, and rate of flow in preparing for the ptcb or excpt exams. Additional practice questions calculation of intravenous flow rates when answering the following questions, be sure to. Hospital introductory pharmacy practice experience. Calculate iv flow rate in drops per minute gttmin using a formula method and dimensional. Parenteral medications, intravenous calculations, and total parenteral nutrition tpn therapy a. Critical care pharmacy handbook 20 clinical pharmacy working committee critical care subspecialty pharmaceutical services division, ministry of health. Since a fraction of a drop is not possible to give to a patient, it is usual to round the answers to the nearest whole number. When the drip rate is given in minutes, convert the minutes to hours by dividing the required.
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